diff --git a/libft/Makefile b/libft/Makefile
index 0b7088f5..b5abab40 100644
--- a/libft/Makefile
+++ b/libft/Makefile
@@ -151,6 +151,7 @@ sstr/ft_sstrprint.c\
 sstr/ft_sstrprint_fd.c\
 sstr/ft_sstrsort.c\
 sstr/ft_sstrstr.c\
+str/ft_strsepjoin.c\
 str/ft_atoi.c\
 str/ft_convert_base.c\
 str/ft_putaddr_fd.c\
diff --git a/libft/includes/net.h b/libft/includes/net.h
index f6add720..91698c7f 100644
--- a/libft/includes/net.h
+++ b/libft/includes/net.h
@@ -1,8 +1,9 @@
 #ifndef NET_H
 # define NET_H
 
-# define ACK		2
-# define NACK		3
+# define ACK			2
+# define NACK			3
+# define NET_MAXSIZE 	512
 
 # include <sys/socket.h>
 # include <netdb.h>
@@ -14,7 +15,9 @@ int		create_client(char *addr, int port, char *protoname);
 void	listener(int domain, int sock, int proto, void (*handler)(void *buf, int bytes, struct sockaddr_in *addr));
 
 int		net_send(int sock, char *msg, int size);
+int		net_send_large(int sock, char *msg, int size);
 int		net_get(int sock, char *msg, int size);
 int		net_get_fd(int sock, int fd, int size);
+int		net_get_large(int sock, int fd);
 
 #endif
diff --git a/libft/includes/str.h b/libft/includes/str.h
index 3db450ed..0d08a4b6 100644
--- a/libft/includes/str.h
+++ b/libft/includes/str.h
@@ -51,6 +51,7 @@ int		ft_strequ(char const *s1, char const *s2);
 int		ft_strnequ(char const *s1, char const *s2, size_t n);
 char	*ft_strsub(char const *s, unsigned int start, size_t len);
 char	*ft_strjoin(char const *s1, char const *s2);
+char	*ft_strsepjoin(char **tab, char sep);
 char	*ft_strtrim(char const *s);
 char	**ft_strsplit(char const *s, char c);
 
diff --git a/libft/srcs/net/net_get.c b/libft/srcs/net/net_get.c
index e09418c1..9541282c 100644
--- a/libft/srcs/net/net_get.c
+++ b/libft/srcs/net/net_get.c
@@ -26,3 +26,21 @@ int		net_get_fd(int sock, int fd, int size)
 		return (-1);
 	return (0);
 }
+
+int		net_get_large(int sock, int fd)
+{
+	int		i;
+	int		num_blks;
+	int		num_last_blk;
+
+	net_get(sock, (char*)&num_blks, sizeof(num_blks));
+	net_get(sock, (char*)&num_last_blk, sizeof(num_last_blk));
+	num_blks = ntohs(num_blks);
+	num_last_blk = ntohs(num_last_blk);
+	i = -1;
+	while (++i < num_blks - 1)
+		net_get_fd(sock, fd, NET_MAXSIZE);
+	if (num_last_blk)
+		net_get_fd(sock, fd, num_last_blk);
+	return (0);
+}
diff --git a/libft/srcs/net/net_send.c b/libft/srcs/net/net_send.c
index e4a76e0e..de981f56 100644
--- a/libft/srcs/net/net_send.c
+++ b/libft/srcs/net/net_send.c
@@ -12,3 +12,26 @@ int		net_send(int sock, char *msg, int size)
 		return (1);
 	return (0);
 }
+
+int		net_send_large(int sock, char *msg, int size)
+{
+	int		i;
+	int		num_blks;
+	int		num_last_blk;
+
+	num_blks = htons(size / NET_MAXSIZE + 1);
+	num_last_blk = htons(size % NET_MAXSIZE);
+	if (net_send(sock, (char*)&num_blks, sizeof(num_blks)))
+		return (1);
+	if (net_send(sock, (char*)&num_last_blk, sizeof(num_blks)))
+		return (1);
+
+	num_blks = ntohs(num_blks);
+	num_last_blk = ntohs(num_last_blk);
+	i = -1;	
+	while (++i < num_blks - 1)
+		net_send(sock, msg + i * NET_MAXSIZE, NET_MAXSIZE);
+	if (num_last_blk)
+		net_send(sock, msg + i * NET_MAXSIZE, num_last_blk);
+	return (0);
+}
diff --git a/libft/srcs/str/ft_strsepjoin.c b/libft/srcs/str/ft_strsepjoin.c
new file mode 100644
index 00000000..8fbb0ee3
--- /dev/null
+++ b/libft/srcs/str/ft_strsepjoin.c
@@ -0,0 +1,25 @@
+#include "libft.h"
+
+char	*ft_strsepjoin(char **tab, char sep)
+{
+	char	*join;
+	char	**p;
+	int		len;
+
+	len = 0;
+	if (!(p = tab))
+		return (NULL);
+	while (*p)
+		len += ft_strlen(*p++) + 1;
+	if (!(join = ft_strnew(len)))
+		return (NULL);
+	*join = 0;
+	p = tab;
+	while (*p)
+	{
+		ft_strcat(join, *p++);
+		ft_strcat(join, &sep);
+	}
+	join[len - 1] = 0;
+	return (join);
+}